Home / 380,105,967-524,546,234.64-206,265,711

Finding the Fourth Proportional to 380,105,967, 524,546,234.64 and 206,265,711

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Solution

The fourth proportional to 380,105,967, 524,546,234.64 and 206,265,711 is: 284,646,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105,967 : 524,546,234.64 = 206,265,711 : x
  2. Step 2: Convert to fraction form
    380,105,967/524,546,234.64 = 206,265,711/x
  3. Step 3: Cross multiply
    380,105,967x = 524,546,234.64 × 206,265,711
  4. Step 4: Simplify right side
    380,105,967x = 108,195,902,040,392,432
  5. Step 5: Solve for x
    x = 108,195,902,040,392,432/380,105,967
  6. Step 6: Final answer
    x = 284,646,681.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.